This demonstration/activity introduces students to the concept of limiting reagent in a chemical reaction. Too often, students think that one can produce more product by using larger quantities of reactants. This demonstration/activity is specifically designed to surprise students and to make them appreciate the concept of stoichiometric quantities.
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Student Activity: The Destructive Nature of Acid Rain
Categories: Lab/Student Activity
Burning fossil fuels releases carbon dioxide, CO2(g), which contributes to the greenhouse effect and hence to climate change. Burning some fossil fuels also releases nitrogen oxides and sulfur... read more
Teacher Demo: What's in your breath? Neutralization Reactions
Categories: Teacher Demonstration
This activity involves the surprising neutralization reactions between the carbonic acid that forms when the carbon dioxide in one's breath reacts with water and calcium hydroxide. read more
INNOVATIVE ECO-FRIENDLY ARCADE
Categories: Lab/Student Activity
Following the STAO Project Innovation seminars, I was inspired by the lectures that encouraged students to innovate and expand their creativity while building small eco-friendly devices, games made... read more